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Your growing child

17 weeks pregnant

Your baby is now nearly 11cm long from crown to rump and weighs about 140g. His skeleton is mostly rubbery cartilage, which will harden later. A protective substance called myelin slowly begins to wrap around the spinal cord. Read More

18 weeks pregnant

Your baby is about 12cm long from crown to rump and she weighs about 190g. Her chest moves up and down to mimic breathing but she's not taking in air, only amniotic fluid, which protects her as she grows inside the amniotic sac. Read More

19 weeks pregnant

You're halfway there! The top of your uterus (womb) now reaches your belly button and will grow about a centimetre a week. Your baby measures about 14.2cm long from crown to rump and weighs about 240g. Read More

20 weeks pregnant

Your baby measures about 16.5cm from crown to rump. A whitish coat of a fatty substance called vernix caseosa begins to cover your baby, protecting her skin during its long immersion in amniotic fluid. Read More

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